222A0-37021 Genuine Toyota CONTROLLER, CONTINUOUSLY VARIABLE VALVE LIFT OEM AVENSIS USED

DISPATCHED TIME - 1 WORKING DAY
ESTIMATED DELIVERY TIME:

USA: Normally takes 3-5 Working Days Maximum.

UK & EUROPEAN UNION: 3-6 Working Days Maximum.

FOR OTHER DESTINATION: Within 1 Week Maximum.

ITEM DESCRIPTION
ITEM:
The part number 222A0-37021 corresponds to a Genuine Toyota Controller Assembly for Continuously Variable Valve Lift. In the automotive world, this vital component is much more commonly referred to as the Valvematic Actuator/Controller.

It is responsible for electronically controlling the intake valve lift height dynamically, replacing a traditional throttle body's role during normal operation to optimize fuel efficiency and throttle response.

BRAND NEW TOYOTA GENUINE PART
PART NUMBER:
222A0-37021, 222A037021

Location on Engine:

Mounted externally on the rear/side of the cylinder head cylinder trim.

⚠️ Important Advice on Buying a "USED" Valvematic Controller

Because you specified you are looking at or working with a USED part, you should proceed with caution. Early generations of these units (including the -37021 variant) were notorious for high failure rates over time due to internal electronic component degradation and oil ingress past internal seals.

If you are sourcing or installing a used -37021 unit, verify these details before completing the repair:

1. Check for Common Fault Codes: Faulty or failing used controllers usually throw immediate engine warning lights with codes P1047 (Valvematic Driver Circuit / Parameter Variation) or U011B (Lost Communication with Rocker Arm Actuator Control Module). Ensure the seller guarantees the unit is free of these internal software/board errors.

2. Inspect the Connector & Gasket Area: Examine the electrical pin receiver block closely. If there is any sign of engine oil inside the plug socket pins, the internal housing seal has failed, meaning the controller is internally shorted or will be very soon.

3. Consider the Updated Part Number: Toyota revised this part multiple times to fix design flaws. If you have the budget, look for the newest part numbers in the lineage (such as 222A0-37024 or the definitive replacement 222A0-37025), as they feature updated internal circuit architecture that lasts significantly longer than the older -37021 build.